12744345331 has 8 divisors (see below), whose sum is σ = 13142808000. Its totient is φ = 12350055360.

The previous prime is 12744345281. The next prime is 12744345347. The reversal of 12744345331 is 13354344721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12744345331 - 2⁹ = 12744344819 is a prime.

It is a super-2 number, since 2×12744345331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12744345431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1036971 + ... + 1049188.

It is an arithmetic number, because the mean of its divisors is an integer number (1642851000).

Almost surely, 2^12744345331 is an apocalyptic number.

12744345331 is a deficient number, since it is larger than the sum of its proper divisors (398462669).

12744345331 is a wasteful number, since it uses less digits than its factorization.

12744345331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086349.

The product of its digits is 120960, while the sum is 37.

The spelling of 12744345331 in words is "twelve billion, seven hundred forty-four million, three hundred forty-five thousand, three hundred thirty-one".